Home / 318,731.63-439,840.94-175,492.44

Finding the Fourth Proportional to 318,731.63, 439,840.94 and 175,492.44

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Solution

The fourth proportional to 318,731.63, 439,840.94 and 175,492.44 is: 242,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,731.63 : 439,840.94 = 175,492.44 : x
  2. Step 2: Convert to fraction form
    318,731.63/439,840.94 = 175,492.44/x
  3. Step 3: Cross multiply
    318,731.63x = 439,840.94 × 175,492.44
  4. Step 4: Simplify right side
    318,731.63x = 77,188,758,895.03
  5. Step 5: Solve for x
    x = 77,188,758,895.03/318,731.63
  6. Step 6: Final answer
    x = 242,174.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.